Rifle-sight.



No. 888,858. PATENTED MAY 26, 1908. M. E. SUTHERLAND.

RIFLE SIGHT.

APPLIUATION FILED MAR. 13, 1907' 2 BHEETSSHEET 1 nmmumm FIG-.1.

, lnveni'or.

M.E.Su'fherland.

Wil'nesses.

No. 888,858. PATENTED MAY 26, 1908. M. E. SUTHERLAND.

RIFLE SIGHT.

APPLICATION FILED MAR. 13, 1907.

2 BHEET8-SHEET 2 FIG-.9.

lnven'i'or.

\ nu noun: Mann: 00., vumqmmn, e.

UNITED STATES PATENT ()FFICE.

\ RIFLE-SIGHT.

Application filed March 13, 1907.

To all whom it may concern:

Be it known that l, irlun'noon Evic'r'r SU'rnnnLANn, of Westvillo, inPicton county, Province of Nova Scotia, Canada, have invented certainnew and useful improvements in ltille-Sights, of which the followingis aspecification.

This invention relates to improvements to rille sights and particularlyto leaf sights of the type in which a laterally and. longitudinallyadjustable sight operates on a leaf hinged to a base which is secured tothe rifle barrel.

The objects of my invention are, first, to provide an auxiliaryemergency sight adjustable longitudinally but not laterally, whereby itremains always in its central position ready for instant action; second,to provide a peep sight adjustable with the open sight and which may bemoved into the same sighting position as the open sigl'it with out inany way altering the adjustment thereof; the top of the peep sight beingadapted in one position to serve as a bar si ht; third, to provide adevice whereby the a justment of the elevating screw of the sighting barmay be indicated to the opera tor; and fourth, to provide means forgaging the alinement of the back sight with the foresight when the peepsight is used. The first of these objects is carried out by an auxiliaryfixed sight integral with the sighting bar and extending normallythereto. The second by a plate slidably supported in a groove in.

the adjustable sight and having a peep hole therein and which may bemoved into sighting position without disturbing the adjust ment of theopen sight. The third object is accomplished by a spring detent device0pcrating on the elevating screw. And. the fourth by forming the peepsight plate of such width as to the blanket sight and prevent itspassing to the eye of the marksman when aiming. As aresult, the marksmanobserves the foresight only through the poophole. The details of theseconstructions together with those of the remaining part of the sight arefully set forth and described in the accompanying specifications anddrawings.

Figure l is a front elevation of the sight with the leaf in raisedposition. Fig. 2 is the same view with the leaf lowered. Fig. 3 is aside elevation with the leaf lowered. Fig. 4 is a perspective view ofthe sight in position on the rifle barrel. Fig. 5 1s an enlargedperspective detail of the sighting bar Specification of Letters Patent.

Patented May 26, 1908.

Serial No. 362,222.

and laterally adjustable sights thereon. Fig. 6 shows a plan andelevation of the sighting plate with the open sight formed therein. Fig.'7 shows a plan and elevation of the peep sight plate. Fig. 8 shows asectional detail along the line 2--2 in. Fig. 6 when the peep sightplate .isin position. Fig. l) is a sectional detail along the line?-}--I-} big. (3 when the poop it plate is in position. Fig. 10 is acentral transverse sectional detail tl'lrough. the sighting bar and.sighting plate. Fig. 11 shows an enlarged sectional detail of the top ofthe elevating screw. Fig. 12 is a section. through the hood of theforesight. Fig. 13 shows a sectional detail of the lower end of theelevating screw.

in the drawings like letters of reference indicate cor esponding partsin the figures.

Referring to the drawing, A is the base of any improved form which issuitably secured to the rille barrel B.

C is the leaf hinged at u, to the base and on which operates thesighting bar D, being raised and lowered thereon by means of theelevating; screw The means connecting the elevating screw with thesighting bar do not form part of the present invention. and may bevaried to agree with different forms of sights, that I have illustratedbeing a form invented by me and covered by my United States Patent No.824,960, which was granted. to me on July 3rd, 1906.

F is the sighting plate of the type shown and described in my aforesaid.United States patent and which is laterally adjustable on the sightingbar by means of the tangent screw G, and has an open V-shaped sight 3)on the top thereof. ln accordance with my invention, plate F is formedwith a clove tailed groove 0 on one side thereof, in which fits the peepsight plate H, having a peep hole (1 therein and an outwardly protrudingthumb flange 0, by means of which it may be raised. and lowered. Thepeep sight plate is limited in vertical movement by means of aprojecting pin f thereon which takes into a slot 9 formed in the bottomof the groove c. In its uppermost position the peep hole will come on aline with the top of the sighting plate F, and will thus be in the samesighting position as that of the open sight which it covers. To hold thepeep sight plate 111 sighting position and to steady its movement, Iprovide a small compression spring 7L, located in a recess 71 in theplate and adapted to bear on the bottom of the groove 0, and

take into a recess 7' therein. when the peep sight plate is in its uppermost and, sighting position. if it is desired. to use the sight as abar sight the peep sight is sii'nply moved up until the top thereof ison. a line with the top of the sighting plate, provision being made forits retention in this position by means of the recess :0 .in the bottomof the groove and in which the spring 7i takes.

I is the emergency sight plate, having an open Vsha )ed sight It cuttherein, and which is [owned integral with the sighting bar 1), thusbeing adjustable longitudinally therewith on the leaf U, but being lixedfrom lateral movement. The adjustment of the emergency sight for thedifferent ranges is accomplished by means of ramps .9 and. t formedintegral with the base and which en gage the underside of the sightingbar I).

The top Z of the elevating screw It is in accordance with my inventionengaged by a plunger m sliding in a recess it provided in a projectingportion 0 of the leaf. The plunger m is pressed outwardly by acompression. spring p and isadapted to successively engage a pluralityof small depressions g which are symmetrically arranged around theunderside of the head of the elevating screw. The screw E as it enterseach depression will cause a slight clicking noise thereby givingwarning to the operator of the progress being made in the adjustment bymeans of the screw E. To take up the wear on the screw E and hold itfirmly in position, I provide a thimble t secured to the end thereofhaving a spring a therein which abuts one of supporting lugs 12 on theleaf, and so normally presses the elevating screw downwardly.

In constructing the sight plate H care is taken that the width of theplate above the peep hole is such as to blanket the light passingthrough the hood of the foresight and prevent its passing to the eye ofthe marks man when aiming. As a result the marksman observes theforesight only when look ing through the eep hole and when lookin alcovethe ed e 0? the eep sight plate would see nothing of the hood Forinstance, if too coarse a sight should be taken the operator wouldobserve a line of light between the hood and the peep sight, but if thesight is properly taken then nothing can be seen through the peep sightbut a clear, sharp circle, and looking over the top of the peep sightplate nothing can be seen of the circle of the hood. By closelyadjusting the width of the peep sight plate this gaging can be carriedout to a great degree of fineness, and in addition to indicating whetherthe sight is too coarse or too fine it will also serve as a checkagainst rolling or canting the rifle, as in either of these cases a lineof light will ap pear between the hood and the peep sight.

It will be observed that the emergency sight is always ready for use inthe center of the rifle, and no matter what adjustment has been made onthe regular sight to account for the windage, yet by lowering the leafthe emergei'icy sight is instantly thrown into action and may be used.from point blank range up to 600 yards.

In using the peep sight adjustment can be made both vertically andlaterally as on the open sigl'it, and an important feature of theinvention is that having adjusted the open sigl'it for a given rangewith the desired windage the peep sight can be then moved into the samesigl'iting position as the open sight taking advantage of the adjustmentpreviously made. The change from the open to the poop sight is made bysimply sliding up the peep sight plate into position.

While the invention has been herein described with great particularityof detail yet changes may be made therein within the scope of theappended claims without de parting from the spirit of the invention.

What I claim as my invention is 1. The combination with the sightingplate having a dove-tailed groove therein having a smaller groove in thebottom thereof and a recess also in the bottom, of a peep sight platehaving its edges of dovetailed shape and slidable in the groove, a pinon the plate entering the smaller groove and a spring adapted to takeinto the recess when the peep sight plate is in sighting position.

2. In a rifle sight the combination with the leaf and sightin barlongitudinally movable thereon of an elevating screw for the sightingbar located at one side of the leaf, and having the head thereofprotruding over the top of the leaf, a projection on the top of the leafhaving a recess therein, a plunger sliding in the said recess, and a sring normally pressing the same outward y against the head of theelevating screw.

3. In a rifle sight the combination with the sighting plate having an 0on sight therein of a peep sight plate slidab y mounted thereon, the topof said peep sight plate being adapted to serve in a certain position asa bar sight and means for retaining the peep sight plate in either ofthe two positions whlere it serves as a peep sight or a bar si -1t. I

e. In a rifle sight the combination with the leaf, the sighting barslidable thereon, the elevating screw for the sighting bar and thesupporting means therefor of a thimble secured to the end of theelevating screw, and a spring therein adapted to abut the supportingmeans of the e evating screw.

5. In a rifle sight, the combination with a circular hood, of a peepsight plate having a peep hole therein, the peep sight plate above thepeep hole being of such width as ,to blanket the light passing throughthe it will readily be understood that certain p hood of the foresightabout the foresight and prevent its passing to the eye of the marksmanwhen aiming, whereby the amount of foresight taken may be gaged, as andfor the purpose specified.

6. In a rille sight, the combination with the leaf and sightii'ig barlongitudinally movable thereon, of an elevating screw for the sightingbar located. at one side 01 the leaf and having the head thereof'n'otruding over the top of the leaf, a projection on the top of theleaf having a recess therein and a detent device in said recessoperating on the head of the elevating screw, and for the purposespecified.

7. In a rifle sight, the combination with the adjustable sigl'itingplate having a groove formed therein, of a peep sight slidable in saidgroove and in its innermost position adapted to remain out of sightingposition, and a spring adapted to be thrown into operation by theoutward sliding of the peep sight and adapted to hold the same insighting position, as and for the purpose specified.

8. In a rifle sight, the combination with the adjustable groovedsighting plate having a sight formed at one edge thereof and a smallgroove at the bottom thereof, of a peep sight slidable on the sightingplate,

having a peep hole therein adapted to reg- 9. In a rille sight, thecombination with the adjustable grooved sighting plate having a sightformed at one edge of the same and a recess formed in the bottom of thegrooved portion, of a peep sight plate slidable in the sighting platehaving a peep hole therein adapted to register with the sight on thesighting plate when the peep sight plate is in its outermost position,and a spring on the peep sight plate adapted to take into the recesswhen the peep sight plate is in its outermost position.

Signed at Ottawa, in the Province of Ontario, this 6th day of March,1907.

MURDOCIL EVll'lT SU'lIlERLAND. Witnesses:

RUssEL S. SMART, WM. A. WYMAN.

